Add 8/15 and 21/16
1st number: 8/15, 2nd number: 1 5/16
8/15 + 21/16 is 443/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
8/15 = 8 × 16/15 × 16 = 128/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
21/16 = 21 × 15/16 × 15 = 315/240 - Add the two like fractions:
128/240 + 315/240 = 128 + 315/240 = 443/240 - So, 8/15 + 21/16 = 443/240
In mixed form: 1203/240
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